Prime p₀= 2011855067667510973 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 18 70 20 10 18 84 56 30 22 30 56 84 18 10 20 70 18 (?)
a_n: 0 18 88 108 118 136 220 276 306 328 358 414 498 516 526 546 616 634
All 18 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 634
Found by: Dingo
db: batch=80, k=18, 18 70 20 10 18 84 56 30 22

SPT(16)	2011854532227200753	0 114 126 140 164 198 218 240 254 276 296 330 354 368 380 494	-535440310220
TPT(14)	2011854543503902049	0 2 30 32 42 44 78 80 138 140 162 164 192 194	-524163608924
SPT(16)	2011854624109153867	0 24 66 82 102 112 124 186 190 252 264 274 294 310 352 376	-443558357106
TPT(14)	2011854638978813819	0 2 12 14 78 80 150 152 192 194 210 212 222 224	-428688697154
SPT(16)	2011854751397960071	0 16 18 78 102 148 172 198 220 246 270 316 340 400 402 418	-316269550902
SPT(16)	2011854914034334529	0 20 30 44 122 128 158 210 212 264 294 300 378 392 402 422	-153633176444
SPT(16)	2011855205791281229	0 40 70 82 100 168 190 192 238 240 262 330 348 360 390 430	138123770256
STPT(10)	2011855216415677067	0 2 30 32 42 44 54 56 84 86	148748166094
SPT(16)	2011855334500518079	0 24 28 34 70 84 108 118 144 154 178 192 228 234 238 262	266833007106
STPT(10)	2011855467377592041	0 2 6 8 18 20 30 32 36 38	399710081068
STPT(10)	2011855659236968847	0 2 30 32 42 44 54 56 84 86	591569457874